ref: 4ec47c8bfc87cd09ab79998f7e35bd87afd2041f
parent: 145fb7c90b7ba789aa4946945618d5165dbcf701
author: Mark Harris <mark.hsj@gmail.com>
date: Sun Sep 27 19:08:00 EDT 2020
opusenc: Allow big endian float and 24-bit input
--- a/src/audio-in.c
+++ b/src/audio-in.c
@@ -790,9 +790,17 @@
}
}
else {- fprintf(stderr, _("Big endian 24 bit PCM data is not currently "- "supported, aborting.\n"));
- return 0;
+ for (i = 0; i < realsamples; i++)
+ {+ for (j=0; j < f->channels; j++)
+ {+ buffer[i*f->channels+j] = ((buf[i*3*f->channels + 3*ch_permute[j]] << 16) |
+ (((unsigned char *)buf)[i*3*f->channels + 3*ch_permute[j] + 1] << 8) |
+ (((unsigned char *)buf)[i*3*f->channels + 3*ch_permute[j] + 2] & 0xff))
+ / 8388608.0f;
+
+ }
+ }
}
}
else {@@ -815,9 +823,18 @@
realsamples = (int)fread(buf, 4*f->channels, realsamples, f->f);
f->samplesread += realsamples;
- for (i=0; i < realsamples; i++)
- for (j=0; j < f->channels; j++)
- buffer[i*f->channels+j] = get_le_float(buf + i*f->channels + f->channel_permute[j]);
+ if (!f->bigendian) {+ for (i=0; i < realsamples; i++)
+ for (j=0; j < f->channels; j++)
+ buffer[i*f->channels+j] =
+ get_le_float(buf + i*f->channels + f->channel_permute[j]);
+ }
+ else {+ for (i=0; i < realsamples; i++)
+ for (j=0; j < f->channels; j++)
+ buffer[i*f->channels+j] =
+ get_be_float(buf + i*f->channels + f->channel_permute[j]);
+ }
return realsamples;
}
--- a/src/opusenc.c
+++ b/src/opusenc.c
@@ -805,10 +805,6 @@
fatal("Invalid bit-depth:\n""--raw-bits must be 24 or 32 for float sample format\n");
}
- if (inopt.endianness==1&&(inopt.rawmode_f)) {- fprintf(stderr,"Notice: Setting big-endian with floating point samples does not make sense, fixing.\n");
- inopt.endianness=0;
- }
if (argc_utf8-optind!=2) {usage();
exit(1);
--- a/src/wav_io.h
+++ b/src/wav_io.h
@@ -71,6 +71,22 @@
#endif
}
+static inline float get_be_float(float *ptr)
+{+#if !defined(__LITTLE_ENDIAN__) && ( defined(WORDS_BIGENDIAN) || defined(__BIG_ENDIAN__) )
+ return *ptr;
+#else
+ float val;
+ char *bebytes = (char *)ptr;
+ char *nebytes = (char *)&val;
+ nebytes[0] = bebytes[3];
+ nebytes[1] = bebytes[2];
+ nebytes[2] = bebytes[1];
+ nebytes[3] = bebytes[0];
+ return val;
+#endif
+}
+
static inline void put_le_float(float *ptr, float val)
{#if !defined(__LITTLE_ENDIAN__) && ( defined(WORDS_BIGENDIAN) || defined(__BIG_ENDIAN__) )